body{
    width: 100%;
}
ul,li,a{
    list-style: none;
    text-decoration: none;
    color: whitesmoke;
}

*{
    margin: 0;
    padding: 0;

}
.container{
    width: 1423px;
    margin: 0 auto;
}
.img,.img>img{
    width: 100%;
}
.nav-bar{
    width: 100%;
    position: fixed;
    z-index: 999;
}
.logo{
    float: left;
    width: 185px;
    height: 185px;
}
.logo img{
    width: 100%;
}
.nav{
    float: right;
    width: 370px;
    height: 100px;
    right: 0;
}
.nav li a{
    position: relative;
    z-index: 333;
}
.nav li{
    float: left;
    width: 185px;
    height: 100px;
    text-align: center;
    line-height: 100px;
    
}
.nav a:hover{
    color: rgba(255, 255, 255, .5);
}
.cebianlan{
    width: 185px;
    height:100% ;
    background-color: rgba(0,0,0,.5);
    position:fixed;
    top: 0;
    right: -185px;
    transition: all .5s;
}
.nav li:hover .cebianlan{
    right: 0;
}
.two{
    width: 100%;
    position: relative;

}
.dian{
    position: absolute;
    z-index: 777;
    right: 15px;
    top: 30%;
    transition: all 3s;
}
.dian li{
    width: 20px;
    height: 20px;
    margin: 10px;
    background-color:rgb(255,255,255,.4);
    border-radius: 50%;
    border: 1px solid rgb(0,0,0,.7);
    cursor: pointer;
}
.dian li:hover{
    transform: translateX(-3px);

}